Jack Wanner
- Given Name
- Clarence Curtis
- Nickname(s)
- Johnny
- Born
- 11/29/1885 — Geneseo, IL, USA
- Died
- 5/28/1919 — Geneseo, IL, USA
- Weight
- 190 lbs
- Height
- 5' 11"
- Throws
- R
- Bats
- R
- Team(s)
- New York Highlanders (1909)
- Debut
- 1909-09-28
- Final Game
- 1909-10-02